The invention discloses a vehicle speed measurement method and device and a computer readable storage medium, and belongs to the field of intelligent transportation. The method comprises the steps that: the track of a target vehicle in a spliced coordinate system at the current moment is determined, and then two speed measurement datum points belonging to the monitoring pictures of different cameras are selected from the track of the target vehicle in the spliced coordinate system at the current moment; the actual distance between the two speed measurement datum points is determined accordingto the spliced coordinates of the two speed measurement datum points in the spliced coordinate system; and finally, the running speed of the target vehicle is determined according to the actual distance and the difference between the acquisition time of video frame images to which the two speed measurement datum points belong. According to the vehicle speed measurement method and device and the computer readable storage medium of the invention, the distance between the two selected speed measurement datum points is generally far, and the difference value between the acquisition time of the video frame images to which the two speed measurement datum points belong is large, so that the determined running speed of the target vehicle is small in error and high in accuracy.
本发明公开了一种车辆测速方法、装置及计算机可读存储介质,属于智能交通领域。该方法包括:确定当前时刻目标车辆在拼接坐标系中的轨迹,然后从当前时刻目标车辆在该拼接坐标系中的轨迹上,选取属于不同摄像头的监控画面的两个测速基准点。然后根据这两个测速基准点在该拼接坐标系中的拼接坐标,确定这两个测速基准点之间的实际距离,最后根据该实际距离和这两个测速基准点分别所属的视频帧图像的采集时间之间的差值,即可确定出目标车辆的行驶速度。本发明选取的两个测速基准点之间的距离一般较远,且这两个测速基准点所属的视频帧图像的采集时间之间的差值也较大,如此,可以使确定出的目标车辆的行驶速度的误差较小,准确性较高。
Vehicle speed measurement method and device and computer readable storage medium
车辆测速方法、装置及计算机可读存储介质
2020-07-28
Patent
Electronic Resource
Chinese
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